In the 1871 census Bromber Cottages, Appleby, Westmorland
Head Thomas Slack, age 25, cabinet maker, born Penrith, Cumberland
Wife Elizabeth Slack age 27, cabinet maker’s wife, born Appleby, Westmorland
Son Thomas Slack, age 3, born Appleby
Daughter Ada W. Slack. age 1, born Appleby
4 boarders all railway workers of various types

In the 1881 census Chapel Lane, Appleby, Westmorland
Head Thomas Slack, age 36, cabinet maker, born Penrith, Cumberland
Wife Elizabeth Slack, age 38, cabinet maker’s wife, born Appleby
Son Joseph E. Walton, age 17, tailor’s apprentice, born Appleby
[It would seem Elizabeth was previously married to a Walton and Joseph is from that previous marriage. Or possibly he was born out of wedlock]
Daughter Ada W. Slack, age 11, scholar, born Appleby
Son Richard J. Slack, age 9, scholar, born Appleby
Daughter Isabella Slack, age 6, scholar, born Barrow in Furness, Lancashire [later part of Cumbria]
Son Edward W. Slack, age 4, scholar, born in Appleby
Daughter Sarah E. Slack, age 21 [must be 2 not 21], scholar, born Appleby
Son David Slack age 6 months, born Appleby